The white-naped honeyeater is a passerine bird of the honeyeater family Meliphagidae native to eastern Australia. Birds from southwestern Australia have been shown to be a distinct species, Gilbert's honeyeater, and the eastern birds are more closely related to the black-headed honeyeater of Tasmania. One of several similar species of black-headed honeyeaters in the genus Melithreptus, it dwells in dry sclerophyll eucalypt woodland. Its diet consists of nectar from various flowers, and it also feeds on insects.

Gilbert's honeyeater, also known as the Swan River honeyeater or western white-naped honeyeater, is a passerine bird of the honeyeater family Meliphagidae native to southwestern Australia. A mid-sized honeyeater, it is olive-green above and white below, with a black head, nape and throat and a white patch over the eye and a white crescent-shaped patch on the nape. The bill is brownish-black and the eyes a dull red. The sexes have similar plumage.